Reversing-valve for regenerative furnaces.



H. GILLE.

REVERSING VALVE FOR REGENERATIVE FURNACES.

APPLICATION FILED N0v.-1, 1910'.

1,033,577. Patented Ju1y 23,1912.

2 SHEETSSHEET 1.

Fig-1.

COLUMBIA PLANOG c,

H. GILLE. REVERSING VALVE FOR REGENERATIVE FURNACES.

APPLICATION FILED NOV. 1, 1910.

1,033,577, Patented July 23,1912.

2 SHEET8SHEET 2.

COLUMBIA PIFANOGRAPH cm. WASHINGTON, D. c.

UNITED STATES PATENT OFFICE, HUGO GILLE, OF DUSSELDORF, GERMANY, ASSIGNOR TO FAQONEISENWAFZWERK L. MANNSTAEDT & CIR, AKTIENGESELLSGHAFT, 0F KALK, NEAR COLOGNE, GER- MANY.

REVERSING-VALVE FOR REGENERATIVE FURNACES.

Specification of Letters Patent.

Application filed November 1', 1910. Serial N 0. 590,124.

To all whom it may concern:

Be it known that I, Hooo GJLLE, a subject of the German Emperor, residing at Dusseldorf, in Germany, have invented certain new and useful Improvements in Reversing-Valves for Regenerative Furnaces, of which the following is a specification.

This invention relates to liquid-sealed reversing valves of the bell-type, which are raised, turned and lowered for the purpose of diverting, by means of a diametral partition, the currents of air and heating gases in regenerators.

The object of the invention is to provide a bell-valve of light construction, with a partition internally cooled by air and by the sealing liquid, and a device for preventing access of steam from the sealing trough to the interior of the bell when the valve is seated, and also improved mechanism for actuating the valve, with a view to securing smooth and easy movement, positively controlled throughout by the actuating device.

The invention is illustrated in the accompanying drawings, in which Figure l is a side view, partly in section, Fig. 2 a plan-view, with parts broken away, Fig. 3 a side-view, partly in section, showing a modification of the actuating gear, Fig. 4; a plan-view of this modified construction, and Fig. 5 is a plan-view of the sealing trough in which the valve is seated.

Like reference numerals denote like parts throughout the drawings.

The base 1 is a container comprising a circular trough and two transverse troughs 1 and 1 intersecting each other and forming a cross within the circle. The liquid in this container forms a seal for the bell 2, which has a pendent transverse partition 3 adapted to enter either of the transverse troughs 1 1. For the purpose of forming this partition the bell is constructed with a depression producing a deep, diametral channel, open at both ends, with walls 3 and a floor 3*. The partition is thus open to the atmosphere atthe top and at both sides, and picks up sealing liquid each time it is dippedinto oneof the transverse-troughs 1, 1 The partition and the liquid are thus efiiciently cooled, and the bell can be made very light, which is an important advantage in-regard to facility of actuation and of stoppage at the ends of the valvemovements. The'bell and partition make steam-tight joints with frames 2 which 7 lie upon the container 1 and prevent the ascent of steam from said container into the bell, and the falling of soot into the trough.

The sector-shaped apertures 100, 200, 300,

400, bordered by the sealing trough are the ports at the ends of the conduits, the connections of which are to be reversed, that is to say, the connections areto be alternately :100 to 200, 300 to 400, and 100 to 400, 200 to 300. The reversal is made by rotatable and vertically slidable on a post 13 rising from a beam 15 supported by pillars 16. The weight of the bell is balanced by a double-armed lever 22 which carries a weight 21 and engages a slidable collar 10 on which the support 11 rests. This col,- lar is connected by rods 9 to a rider 8 working upon a screw 7. The gudgeons of this screw are mounted in bearings 17, and the screw can be driven by an electromotor 1 and toothed wheels 5 and 6. A cam-plate 14: with a slot 14* projects from one side of the rider 8, and the slot is traversed by one of the rods 12. Two electric switches 18 connected to the motor 4 are carried by the beam 15 and have pendent switch levers 19 located in the path of an abutment 20 on the rider 8.

The action of the apparatus described is as follows :When the rider 8 is in either of its end positions on the screw 7 as for example in Fig. 1, the partition 3 of the bell is dipping into one or the other of the transverse troughs l 1 that is to say, the bell is lowered and is in one of its normal working positions. In orderto reverse the Valve, the motor 4 is started. This causes the screw 7 to rotate and to traverse the rider 8, and the latter, acting through the rods 9 and collar 10 on the support 11, lifts the bell. During the lifting operation the rod 12 in the slot lt at first travels in a straight part of said slot, but near the center of the traversing movement, when the partition 3 has been lifted clear of the frame 2 the bent part of the slot 14 reaches this rod, and pushes the same outward, thus 1 causing the support 11, bell 2 to rotate through 45. This rotation is completed when the bell has reached its highest position. Thereafter the continued traversing movement causes the bell to be lowered, and the slot 14 pulls the rod 12 inward, thereby causing the bell to again rotate through 4:5" in the same direction as before, so that be fore the partition 3 has been lowered to the level of the frame 2* the bell has been rotated through 90. The result is that the partition enters the transverse trough perpendicular to that in which its edge was immersed prior to the lifting of the bell.

\Vhenthe rider 8 arrives at the end of its travel, the abutment 20 actuates the switch:

lever 19 at that end, and thus stops the motor. For traversing in the opposite direction, and again reversing the valve, the motor is re-started, to rotate in the opposite direction. a

This arrangement may be modified by connecting the switches to an electrically. actuated clutch and reverslng gear, instead of to the motor.

In the modification shown in Figs. 3 and A the rods 9 connect the collar 10 to a block 26 fixed to the central part of a plunger 23. The latter works at each end in a cylinder .24 communicating with a pipe 25. The block 26 is reciprocated by forcing fluid under pressure alternately into the cylinders 24, through the pipes 25. The camplate 14; is fixed to the block 26.

- What I claim as my invention and desire to secure by Letters Patent of the United depression of the bell-body, formlng a chan- States is 1. A reversing va lve for the purpose setforth comprising, in combination with a seat consisting of an annular sealing trough and diametral sealing troughs, a bell having a partition produced by a diametral open ended depression of the bell-body, forming a channel which is open above and at its ends and is adapted to enter said diametral troughs and receive water from:

and discharge the same into said troughs when lowered and raised respectively.

2. A reversing valve for the purpose set forth comprising, in combination with a seat consisting of an annular sealing trough and diametral sealing troughs, a bell having a partition produced by a diametral open ended depression of the bell-body,

forming a channel which is open above and ing a partition produced by a diametral depression of the bell-body, forming a channel which is open at its ends and is adapted to enter said diametral troughs, a vertically movable support carrying said bell, a horizontally movable traversing member, and means connecting said traversing member to said support so that the latter is first raised and then lowered during the movement of the traversing member from one end of its travel to the other end.

A. A reversing valve for the purpose set forth comprising, in combination with a seat consisting of an annular sealing trough and diametral sealing troughs, a bell hav ing a partition produced by a diametral depression of the bell-body, forming a channel which is open at its ends and is adapted to enter said diametral troughs, a vertically movable bell-support, a horizontally movable traversing member, means connecting said traversing member to said support so that the latter is first raised and then lowered during the movement of the traversing member from one end of its travelto the other, a rod connecting said support to the bell, and. a plate fixed to the traversing member having a cam-slot through which said rod passes so that said plate imparts rotation to the bell during part of the traversing movement.

5. A reversing valve for the purpose set forth comprlsing, 1n comblnation wlth a seat consisting of an annular sealing trough and diametral sealing troughs, a bell having a partition produced by a diametral nel which is open at its ends and is adapted to enter said diametral troughs, a vertically movable bell-support, a horizontally movable traversing member, means connecting said traversing member to said support so that the latter is first raised and then lowered .during the movement of the traversing member from one end of its travel to the other, a rod connecting said support to the bell, a plate fixed to the traversing member having a cam-slot through which said rod passes so that said plate imparts rotation to the bell during part of the traversing movement, and a counter-weight connected to said bell-support balancing the weight of the bell.

6. A reversing valve for the purpose set ered during the movement of the traversing member from one end of its travel to the other, a rod connecting said support to the bell, a plate fixed to the traversing member having a cam-slot through which said rod passes so that said plate imparts rotation to the bell during part of the traversing movement a motor actuating said traversing member, and motor-stopping devices located in the path of the traversing member to be actuated by the latter at the ends of its travel.

In Witness whereof I have signed this specification in the presence of two Witnesses.

HUGO GILLE. [L. s.]

Witnesses:

CHAS. J. WRIGHT, WALTER VoNNEeU'r.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. O. 

